Share of primary energy from fossil fuels in Iran

Iran: Share of primary energy from fossil fuels was 99.1% in 2025. β–¬ Flat

Latest (2025)
99.1%
Change on year
up 0.3%
World rank
9th
of 75 countries
All-time high
99.7%
in 2000
All-time low
98.2%
in 1965
Years of data
61
1965–2025

Share of primary energy from fossil fuels in Iran, 1965–2025

020406080100196519952025

Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.

Analysis

In 2025, share of primary energy from fossil fuels in Iran stood at 99.1%.

That represents a change of up 0.3% on the previous year and up 0.0% over ten years.

Over the whole period, share of primary energy from fossil fuels in Iran peaked at 99.7% in 2000 and was at its lowest, 98.2%, in 1965.

Iran ranks 9th of 75 countries on this measure, in the top quarter.

Averages by decade

DecadeAverage LowestHighest Years
1960s 98.2% 98.2% 98.3% 5
1970s 98.7% 98.2% 99.0% 10
1980s 98.8% 98.5% 99.1% 10
1990s 99.2% 98.8% 99.6% 10
2000s 99.5% 99.1% 99.7% 10
2010s 99.0% 98.3% 99.6% 10
2020s 98.9% 98.7% 99.2% 6

Countries ranked near Iran

  1. 6 Bangladesh 99.5% compare
  2. 7 Saudi Arabia 99.4% compare
  3. 8 Qatar 99.4% compare
  4. 10 Oman 98.9% compare
  5. 11 Hong Kong 98.8% compare
  6. 12 Kazakhstan 98.1% compare

See the full ranking of 78 places β†’

More energy & mining data for Iran

All data for Iran β†’

Frequently asked questions

What is share of primary energy from fossil fuels in Iran?
Share of primary energy from fossil fuels in Iran was 99.1% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
What is the highest share of primary energy from fossil fuels recorded in Iran?
The highest recorded value was 99.7% in 2000.
What is the lowest share of primary energy from fossil fuels recorded in Iran?
The lowest recorded value was 98.2% in 1965.
How does Iran rank for share of primary energy from fossil fuels?
Iran ranks 9th out of 75 countries with data for 2025.
Is share of primary energy from fossil fuels rising or falling in Iran?
Over the last ten years it is up 0.0%. The long-run trend across the full record is flat.
Where does this Iran data come from?
The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy from fossil fuels. Statizoid updates them automatically from the source API.

Download this data

CSV Β· JSON β€” 61 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Share of primary energy from fossil fuels
Unit
%
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
78 places, 3,914 data points, 1965–2025
Last refreshed

Measured as a percentage of total energy supply.